An obligate parasite, or holoparasite, is a parasitic organism that cannot complete its life-cycle without exploiting a suitable host.
Part of the Andes mountain range, Aconcagua is the second highest of the Seven Summits, behind only Mount Everest in Asia. At 22,837 feet (6,961 meters), not only is it the highest mountain in South America, it is the tallest peak in all of the Americas as well as the Southern and Western Hemispheres.
1 Located on Tenerife in the Canary Islands (a Spanish-owned island chain off the north-west coast of Africa), the summit of Mount Teide at 3178 metres (just over 12000 feet) is the highest point in Spain. 2  It is the third highest volcano in the world. 3  The most recent eruption of Mount Teide happened in 1909. The most recent eruption of Mount Teide happened in 1909. 2  It also erupted in 1798, 1706, 1705 and 1704. 3  On his voyage of discovery Christopher Columbus apparently saw the 1492 eruption of Mount Teide when he was sailing past Tenerife.